Home / 239,146.79-358,725.60-89,305.34

Finding the Fourth Proportional to 239,146.79, 358,725.60 and 89,305.34

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Solution

The fourth proportional to 239,146.79, 358,725.60 and 89,305.34 is: 133,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,146.79 : 358,725.60 = 89,305.34 : x
  2. Step 2: Convert to fraction form
    239,146.79/358,725.60 = 89,305.34/x
  3. Step 3: Cross multiply
    239,146.79x = 358,725.60 × 89,305.34
  4. Step 4: Simplify right side
    239,146.79x = 32,036,109,881.08
  5. Step 5: Solve for x
    x = 32,036,109,881.08/239,146.79
  6. Step 6: Final answer
    x = 133,960.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.